For the Inventor, By the Inventor

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Radnor, PA, United States of America

Masterflex, LLC

USPTO Granted Patents = 14

EPO Patents = 5

Trademarks = 11

Forward Citations = 33

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11 inventors (with patents filed for the assignee):

James Van Stell (6 out of 8 patents)

Sean Michael Borchert (2 out of 3 patents)

Jeffrey Deem (2 out of 3 patents)

4. Phuong Le Pham (2 out of 2 patents)

5. Aleksandr Yazvin (1 out of 22 patents)

6. Gregg Eugene Johnson (1 out of 2 patents)

7. Eric Adam Nofziger (1 out of 1 patent)

8. Bradley J Blum (1 out of 1 patent)

9. Tyler Klein (1 out of 1 patent)

10. George Guffey (1 out of 1 patent)

11. James Butzen (1 out of 1 patent)

12. Steven Carl Leisering (0 patent)

14 patents: Sort by Forward Citations

1. D1135917 - Display screen or portion thereof with an animated graphical user interface (2026-07-21),

2. D1074732 - Display screen with graphical user interface (2025-05-13),

3. D1060432 - Pump head cover for a peristaltic pump (2025-02-04),

4. D1050209 - Rotor assembly for a peristaltic pump (2024-11-05),

5. 12012953 - Liquid resistant pump, pump housing, and controls and methods of making and use thereof (2024-06-18),

6. D1027596 - Pinch clamp (2024-05-21),

7. D1021074 - Adapter housing for a peristaltic pump (2024-04-02),

8. 11920581 - Flow rate control for pump with flow sensor (2024-03-05),

9. 11859608 - Fluid resistant display apparatus (2024-01-02),

10. 11846279 - Accurate volume dispensing using pump and flow sensor (2023-12-19),

11. 11773839 - Multi-roller peristaltic pump head (2023-10-03),

12. 11692633 - Pinch clamp and mount (2023-07-04),

13. D962292 - Enclosed pump (2022-08-30),

14. D951302 - Enclosed pump drive (2022-05-10),

Masterflex, LLC is a leading provider of flexible hose and ducting solutions for various industries including industrial, construction, and HVAC. With a wide range of products designed for durability and performance, Masterflex offers innovative solutions for all your flexible hose needs.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

14 Patents

#5 in Radnor, PA

#801 in Pennsylvania

#22,262 in US

#42,118 in the World

Radnor, PA, United States of America

Masterflex, LLC

Forward Citations = 33

11 inventors:

James Van Stell (6 out of 8 patents)

Sean Michael Borchert (2 out of 3 patents)

Jeffrey Deem (2 out of 3 patents)

4. Phuong Le Pham (2 out of 2 patents)

5. Aleksandr Yazvin (1 out of 22 patents)

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